CN223343783U - Bird-proof composite cross arm - Google Patents
Bird-proof composite cross armInfo
- Publication number
- CN223343783U CN223343783U CN202422808450.5U CN202422808450U CN223343783U CN 223343783 U CN223343783 U CN 223343783U CN 202422808450 U CN202422808450 U CN 202422808450U CN 223343783 U CN223343783 U CN 223343783U
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- baffles
- bird
- cross arm
- pole
- baffle
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Abstract
本实用新型涉及输电线路防鸟技术领域，尤其涉及一种防鸟式复合横担。防鸟式复合横担包括两个横担和固定安装在横担上的抱箍，还包括两个挡板，两个挡板分别与两个横担或横担上的抱箍固定连接且处于抱箍上侧而遮挡抱箍与横担之间空隙，两挡板上分别设有凹槽，凹槽具有用于与电杆外周面相贴合的半圆形贴合部，在将抱箍固定在电杆上后两挡板卡在电杆相对两侧，两挡板的半圆形贴合部与电杆外周面相贴合从而在电杆周围形成无间隙遮挡面。该无间隙遮挡面从上侧将横担和抱箍之间以及抱箍和电杆之间空隙遮挡住，使鸟儿没有空隙可以插小树枝，增加筑巢难度，且鸟儿衔来的树枝等材料放在无间隙遮挡面上很容易被风吹走，不具备筑巢条件，从而能够防鸟害。
The utility model relates to the technical field of bird prevention for power transmission lines, and in particular to a bird-proof composite crossarm. The bird-proof composite crossarm comprises two crossarms and a clamp fixedly mounted on the crossarms, and also comprises two baffles, the two baffles being fixedly connected to the two crossarms or the clamps on the crossarms, and being located on the upper side of the clamps to block the gap between the clamps and the crossarms. The two baffles are respectively provided with a groove, and the groove has a semicircular fitting portion for fitting with the outer peripheral surface of the pole. After the clamp is fixed to the pole, the two baffles are clamped on opposite sides of the pole, and the semicircular fitting portions of the two baffles fit with the outer peripheral surface of the pole to form a gapless shielding surface around the pole. The gapless shielding surface blocks the gaps between the crossarms and the clamp, and between the clamp and the pole from above, leaving no space for birds to insert small branches, which increases the difficulty of nesting. Moreover, branches and other materials brought by birds and placed on the gapless shielding surface are easily blown away by the wind, making it impossible to build a nest, thereby preventing bird damage.
Description
Technical Field
The utility model relates to the technical field of bird prevention of power transmission lines, in particular to a bird prevention type composite cross arm.
Background
The cross arm is an important component in the distribution line tower and is used for installing insulators and hardware fittings to support wires and lightning wires and keep a certain safety distance according to regulations. The cross arm is usually fixed on the pole through the staple bolt, like the compound cross arm that chinese patent of the utility model disclosed of grant bulletin number CN219509348U, including cross arm and two anchor clamps of fixed mounting on the cross arm, two anchor clamps include two anchor clamps pieces and anchor bolt, and the cross arm can be equipped with one, also can be equipped with two, and when the cross arm was equipped with two, two anchor clamps pieces respectively fixed mounting on two cross arms, with two anchor clamps piece pair buckles on the pole and pass through anchor bolt fastening when using to be fixed in the pole with the cross arm. When the existing composite cross arm is used, gaps exist between the cross arm and the anchor ear and between the anchor ear and the electric pole, birds often insert the joined small branches into the gaps, plant straws, firewood and the like are added on the small branches to build bird nests, and the bird nests are extremely easy to cause short circuit faults of a distribution line and cause great harm to safe operation of the distribution line.
Disclosure of utility model
The utility model aims to provide an anti-bird composite cross arm so as to solve the problem that the existing composite cross arm cannot prevent bird damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a prevent compound cross arm of bird, including two cross arms and fixed mounting staple bolt on the cross arm, still include two baffles, two baffles respectively with two cross arms or staple bolt fixed connection on the cross arm and be in staple bolt upside and shelter from space between staple bolt and the cross arm, be equipped with the recess on two baffles respectively, the recess has the semicircular laminating portion that is used for laminating mutually with the pole outer peripheral face, fix the staple bolt on the pole two baffles card in pole opposite sides, thereby semicircular laminating portion of two baffles laminates mutually with the pole outer peripheral face and forms the zero clearance around the pole and shelter from the face.
Further, the two baffles are respectively flush with the upper surface of the cross arm where the two baffles are positioned, the two baffles are in butt joint, the upper surfaces of the two baffles are flush, a gapless plane is formed around the electric pole, and the gapless plane forms the gapless shielding surface.
Further, flexible pads are arranged on the abutting surface of the two baffles and the wall surface of the groove.
Further, the butt joint surface of the two baffles is an inclined surface.
Further, the two baffles are provided with auxiliary attaching structures protruding from the upper surfaces of the baffles and used for attaching to the electric pole at the grooves.
Further, the auxiliary attaching structure is a semicircular aluminum sheet.
Further, the two cross arms are respectively provided with jacks, the bottoms of the two baffle plates are respectively provided with inserting legs, and the inserting legs are inserted into the jacks on the cross arms to fix the baffle plates on the cross arms.
Further, the jacks are polygonal jacks, and the shapes of the plugging legs are the same as those of the polygonal jacks.
Further, the jack is a triangle hole, and the plug leg is an angle iron fixed at the bottom of the baffle and extending perpendicular to the baffle.
Further, the baffle is L-shaped, the groove is formed in the horizontal plate of the L-shaped baffle, and the vertical plate is fixedly connected with the cross arm through a bolt.
The utility model has the beneficial effects that the utility model is created for the improved utility model. The gap between the hoop and the cross arm is shielded by the baffle plate arranged above the hoop, the baffle plate is provided with the groove, the groove is provided with the semicircular attaching parts which are attached to the outer peripheral surface of the electric pole, the two baffle plates are clamped on the two opposite sides of the electric pole after the hoop is fixed on the electric pole, the semicircular attaching parts of the two baffle plates are attached to the outer peripheral surface of the electric pole to form a gapless shielding surface, the gapless shielding surface shields the gap between the cross arm and the hoop and between the hoop and the electric pole from the upper side, so that a bird does not have a gap to insert small branches, the nesting difficulty is increased, in addition, the cross arm is usually fixed on the electric pole at a position close to the top, and under the condition that shielding structures are not shielded around the baffle plates, materials such as branches, plant straws, firewood and the like are easy to blow away by wind, so that the bird nesting is very difficult, and the bird nesting condition is not provided, and the bird pest can be effectively prevented.
Drawings
FIG. 1 is a schematic view of embodiment 1 of the bird-resistant composite cross arm of the present utility model mounted on an electric pole;
FIG. 2 is a schematic structural view of embodiment 1 of the bird-preventing composite cross arm of the present utility model;
FIG. 3 is a schematic structural view of embodiment 2 of the bird-preventing composite cross arm of the present utility model;
FIG. 4 is a schematic structural view of embodiment 3 of the bird-preventing composite cross arm of the present utility model;
FIG. 5 is a schematic structural view of embodiment 4 of the bird-preventing composite cross arm of the present utility model;
FIG. 6 is a schematic structural view of embodiment 5 of the bird-resistant composite cross arm of the present utility model;
FIG. 7 is a schematic structural view of embodiment 6 of the bird-preventing composite cross arm of the present utility model;
FIG. 8 is a schematic view of an embodiment 6 of an anti-bird composite cross arm according to the present utility model, wherein the bottom of the baffle is provided with a plugging leg;
FIG. 9 is a schematic view of embodiment 7 of the bird-resistant composite cross arm of the present utility model mounted on an electric pole;
FIG. 10 is a schematic structural view of embodiment 7 of the bird-repellent composite cross arm of the present utility model;
In the figure, 1, a cross arm, 2, a baffle, 3, a hoop, 4, an electric pole, 5, a bolt, 6, a flexible pad, 7, a groove, 8, a butt joint surface, 9, a semicircular aluminum sheet and 10, and a splicing leg.
Detailed Description
The bird-preventing composite cross arm provided by the utility model is mainly used for solving the problem that the existing composite cross arm cannot prevent bird damage. The utility model has the basic inventive concept that a baffle is additionally arranged on the basis of the structure of the existing composite cross arm, a groove is arranged on the baffle, a hoop is fixed on the electric pole, the groove of the rear baffle is attached to the outer peripheral surface of the electric pole, a gapless shielding surface is formed around the electric pole through the baffle, gaps between the cross arm and the hoop and between the hoop and the electric pole are shielded from the upper side by the gapless shielding surface, so that small branches can be inserted into the gaps of birds, the nesting difficulty is increased, and meanwhile, under the condition that the surrounding is not provided with a shielding structure, the materials such as the branches which are held by birds are easily blown away by wind on the gapless shielding surface, and the nesting condition is not provided, so that the aim of preventing bird damage is achieved.
Based on the above inventive concept, embodiments of the bird-preventing composite cross arm of the present utility model are described in detail below.
Embodiment 1:
as shown in fig. 1-2, the bird-proof composite cross arm comprises two cross arms 1 and a hoop 3 fixedly mounted on the cross arms 1, wherein the cross arms 1 are angle iron cross arms and have higher strength, and the bird-proof composite cross arm further comprises two baffle plates 2, wherein the two baffle plates 2 are fixedly connected with the two cross arms 1 respectively and are positioned on the upper sides of the hoop 3 so as to cover the hoop 3 and a gap between the hoop 3 and the cross arms 1. The baffle 2 is the rectangular plate, and baffle 2 middle part is equipped with recess 7, and recess 7 is semi-circular, and semi-circular recess 7 radius and pole 4 radius looks adaptation, and semi-circular recess 7's cell wall constitutes the semi-circular laminating portion that is used for laminating mutually with pole 4 outer peripheral face. The baffle plate 2 is a flat plate, and the upper surface of the baffle plate 2 is flush with the upper surface of the cross arm 1. One side of the baffle plate 2 is welded on the cross arm 1, and the baffle plate 2 and the cross arm 1 are made into an integrated structure in a welding mode, so that the composite cross arm installation process can be simplified more. The two cross arms 1 are arranged in parallel, and the notches of the semicircular grooves 7 on the two baffle plates 2 are opposite. The anchor ear 3 is two anchor ears that close, passes through bolt 5 with two anchor ears 3 and fixes on pole 4, and two baffles 2 card are in pole 4 relative both sides, and the semicircular groove 7 of two baffles 2 is laminated mutually with pole 4 outer peripheral face, thereby two baffles 2 butt joint form the zero clearance around pole 4 and shelter from the face, and utilize this zero clearance to shelter from the face from the upside with between cross arm 1 and anchor ear 3 and the pole 4 between the space shelter from, make the bird have the space can insert little branch to increase the difficulty of nesting.
The upper surfaces of the two baffles 2 are flush after the two baffles 2 are butted, so that the gapless shielding surface is a gapless plane. The two baffles 2 are respectively flush with the upper surfaces of the cross arms 1 where the baffles are positioned, so that the upper surfaces of the two baffles 2 and the upper surfaces of the two cross arms 1 are spliced together to form a larger seamless plane. The cross arm 1 is usually fixed on the electric pole 4 and is close to the top position, the installation position is higher, the gapless shielding surface formed after the two baffles 2 are in butt joint is a plane, no shielding exists around, the materials such as branches, plant straws, firewood and the like which are engaged by birds are placed on the gapless shielding surface and are easily blown away by wind, the nesting difficulty of the birds is further increased, and the bird damage prevention effect is better.
Of course, in other embodiments, the baffle 2 may be fixed on top of the cross arm 1, so that the upper surface of the baffle 2 is higher than the upper surface of the cross arm 1, at this time, the upper surfaces of the two baffles 2 are flush after the two baffles 2 are abutted, so that a gapless shielding surface is formed around the electric pole 4, the gapless shielding surface is a gapless plane, and no shielding is formed around the gapless shielding surface, so that the nesting difficulty can be increased.
During installation, as shown in fig. 1, two cross arms 1 are placed on two sides of an electric pole 4, hoops 3 are connected through bolts 5 until the hoops 3 are tightly held on the electric pole 4, relative movement cannot occur, a baffle plate 2 fixed on the cross arms 1 is clamped on the electric pole 4 along with the hoops, the two baffle plates 2 are in butt joint to form a gapless shielding surface, and gaps between the cross arms 1 and the hoops 3 and gaps between the hoops 3 and the electric pole 4 are shielded from the upper side.
Embodiment 2:
as shown in fig. 3, the main difference between this embodiment and embodiment 1 is that the two baffles 2 are different in size, and the length of one baffle 2 is longer than the length of the other baffle 2. The other structures are the same and the description will not be repeated.
Of course, in other embodiments, the shapes of the two baffles may be different, such as one baffle being rectangular and the other baffle being trapezoidal. The shape and the size of the baffle can be changed in various ways, so long as the two baffles can be guaranteed to form a gapless shielding surface after being butted, the shape and the size of the baffle are not limited, site materials can be fully utilized, and the composite cross arm is more convenient to process.
Embodiment 3:
As shown in fig. 4, the main difference between this embodiment and embodiment 1 is that the flexible pad 6 is provided on both the abutting surface 8 of the two baffles 2 and the groove wall surface of the semicircular groove 7. The other structures are the same and the description will not be repeated. The flexible pad 6 is arranged on the abutting surface 8 of the two baffles 2, so that the two baffles 2 can be further combined tightly, gaps are avoided at the abutting positions of the two baffles 2, and meanwhile, the gaps between the semicircular grooves 7 and the electric poles can be further filled by the flexible pad 6 arranged on the wall surface of the semicircular grooves 7. The seamless connection of the two baffles 2 can be further guaranteed through the arrangement of the flexible pad 6, a gapless shielding surface is formed, and the bird damage prevention effect is better.
Embodiment 4:
As shown in fig. 5, the main difference between this embodiment and embodiment 1 is that the abutting surfaces 8 of the two baffles 2 are inclined surfaces, and the other structures are the same and will not be repeated. The butt joint surface 8 of the two baffles 2 is set to be an inclined surface, so that the two baffles 2 can be butted more tightly, gaps are further prevented from being generated at the closing position of the baffles 2, a gapless shielding surface is formed after the butt joint, and the bird damage prevention effect is better.
Embodiment 5:
as shown in fig. 6, the main difference between this embodiment and the above embodiment 1 lies in that the two baffles 2 are provided with auxiliary attaching structures protruding from the upper surfaces of the baffles 2 at the semicircular grooves 7, the auxiliary attaching structures are specifically semicircular aluminum sheets 9, the semicircular aluminum sheets 9 are welded on the baffles 2, and when the cross arm 1 is fixed on the electric pole, the semicircular aluminum sheets 9 on the two baffles 2 are attached to the outer peripheral surface of the electric pole, so that when a gap exists between the circular grooves 7 and the electric pole, the two baffles 2 can still be butted to form a gapless shielding surface around the electric pole. The aluminum sheet is softer in material, convenient to bend and deform and easy to ensure seamless fit with the electric pole.
In other embodiments, the semicircular rubber ring can be arranged at the baffle corresponding to the semicircular groove, the semicircular rubber ring has good elastic deformation capacity, the semicircular rubber ring on the rear two baffles fixed on the electric pole is tightly attached to the outer peripheral surface of the electric pole, gaps are further avoided between the semicircular groove and the electric pole, and the semicircular rubber ring forms an auxiliary attaching structure.
Embodiment 6:
As shown in fig. 7 to 8, the main difference between this embodiment and embodiment 4 is that the fastening manner of the baffle plates is different, in this embodiment, insertion holes (not shown) are provided on the two cross arms 1, insertion legs 10 are provided on the bottoms of the two baffle plates 2, respectively, and the insertion legs 10 are inserted into the insertion holes on the cross arms 1 to fasten the baffle plates 2 to the cross arms 1. The baffle plates 2 are fixed in an inserting mode, welding in advance is not needed, the installation operation is more convenient, the baffle plates 2 can be inserted on the cross arm 1 under the condition that the cross arm 1 is fixedly installed on the electric pole 4, and after the two baffle plates 2 are inserted in place, seamless butt joint is formed, so that a gapless shielding surface is formed above the anchor ear 3.
Preferably, the receptacle is a polygonal receptacle, and the shape of the plugging leg 10 is the same as the polygonal receptacle. Therefore, the plugging leg 10 and the jack form rotation-stopping fit in the circumferential direction, the plugging leg 10 can only be inserted into the jack at a set angle and cannot rotate after being inserted, so that the position of the plugging leg 10 can be accurately positioned, and further seamless butt joint of the two baffles 2 is ensured. In the embodiment, the jack is a triangular hole, angle irons are welded at the bottom of the baffle plate 2 and extend perpendicular to the baffle plate 2, the angle irons form plug-in legs 10, and the angle irons are vertically inserted into the jack and form rotation-stopping fit with the jack. Two angle irons are arranged on each baffle plate 2 at intervals and are matched with two jacks on the cross arm 1, so that the accuracy and reliability of the fixed positions of the baffle plates 2 are fully ensured.
Of course, in other embodiments, the jack also can be the round hole, and the grafting leg is for the cylindric with the round hole adaptation, and the grafting leg is equipped with at least two this moment to guarantee that the grafting leg inserts the jack backplate and can not take place to rotate, guarantee the installation angle of baffle, and then guarantee that two baffles can seamless butt joint. The jack can also be a square hole, and the plug-in leg is in a quadrangular shape matched with the square hole. Of course, the receptacles may have other shapes, which are not illustrated here.
Embodiment 7:
As shown in fig. 9 to 10, the present embodiment is different from embodiment 1 in the main difference in the manner of fixing the baffle plate, and in the present embodiment, the baffle plate 2 is fixed to the cross arm 1 by the bolts 5. The baffle 2 is L-shaped, a semicircular groove 7 is formed in a horizontal plate of the L-shaped baffle 2, and a vertical plate is fixedly connected with the cross arm 1 through a bolt 5. Can make staple bolt 3, baffle 2 and cross arm 1 share a bolt 5, during the installation, put two staple bolts 3 in pole 4 both sides earlier, pass bolt hole on staple bolt 3 and lock through two nuts with bolt 5, two nuts compress tightly respectively in two staple bolts 3 outsides, fix staple bolt 3 on pole 4, then put two baffles 2 and two cross arms 1 in pole 4 both sides, make bolt 5 pass behind baffle 2 and the cross arm 1 and lock through the nut, accomplish the installation. In other embodiments, the two baffles and the two cross arms may be fixedly connected together by one bolt, and the bolts are not shared with the anchor ear.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The bird-proof composite cross arm comprises two cross arms and hoops fixedly mounted on the cross arms and is characterized by further comprising two baffle plates, wherein the two baffle plates are fixedly connected with the hoops on the two cross arms or the cross arms respectively and are positioned on the upper sides of the hoops to shield gaps between the hoops and the cross arms, grooves are respectively formed in the two baffle plates, the grooves are provided with semicircular attaching parts which are used for attaching to the outer peripheral surfaces of electric poles, the two baffle plates are clamped on two opposite sides of the electric poles after the hoops are fixed on the electric poles, and the semicircular attaching parts of the two baffle plates are attached to the outer peripheral surfaces of the electric poles to form gapless shielding surfaces around the electric poles.
2. The bird-preventing composite cross arm of claim 1, wherein the two baffles are respectively flush with the upper surface of the cross arm where the two baffles are positioned, the two baffles are butted and the upper surfaces of the two baffles are flush to form a gapless plane around the electric pole, and the gapless plane forms the gapless shielding surface.
3. The bird-proof composite cross arm of claim 2, wherein flexible pads are arranged on the abutting surface of the two baffles and the wall surface of the groove.
4. The bird-proof composite cross arm of claim 2, wherein the abutting surfaces of the two baffles are inclined surfaces.
5. The bird-proof composite cross arm according to any one of claims 2 to 4, wherein the two baffles are provided with auxiliary attaching structures protruding from the upper surfaces of the baffles at the grooves for attaching to the electric pole.
6. The bird-preventing composite cross arm of claim 5, wherein the auxiliary attachment structure is a semi-circular aluminum sheet.
7. The bird-preventing composite cross arm according to any one of claims 2 to 4, wherein the two cross arms are respectively provided with insertion holes, the bottoms of the two baffle plates are respectively provided with insertion legs, and the insertion legs are inserted into the insertion holes on the cross arms to fix the baffle plates on the cross arms.
8. The bird-proof composite cross arm of claim 7, wherein the insertion hole is a polygonal insertion hole, and the shape of the insertion leg is the same as the shape of the polygonal insertion hole.
9. The bird-preventing composite cross arm of claim 8, wherein the insertion holes are triangular holes, and the insertion legs are angle irons fixed at the bottom of the baffle plate and extend perpendicular to the baffle plate.
10. The bird-preventing composite cross arm according to any one of claims 1 to 4, wherein the baffle is L-shaped, the groove is arranged on a horizontal plate of the L-shaped baffle, and the vertical plate is fixedly connected with the cross arm through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422808450.5U CN223343783U (en) | 2024-11-18 | 2024-11-18 | Bird-proof composite cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422808450.5U CN223343783U (en) | 2024-11-18 | 2024-11-18 | Bird-proof composite cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223343783U true CN223343783U (en) | 2025-09-16 |
Family
ID=97011282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422808450.5U Active CN223343783U (en) | 2024-11-18 | 2024-11-18 | Bird-proof composite cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223343783U (en) |
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2024
- 2024-11-18 CN CN202422808450.5U patent/CN223343783U/en active Active
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